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lozanna [386]
3 years ago
5

Which statement accurately describes the writing portion of accuplacer?

SAT
2 answers:
crimeas [40]3 years ago
8 0

Answer: Students are graded on how well they focus their main idea, organize their thoughts and support their ideas with evidence

Explanation:

viktelen [127]3 years ago
7 0
what are the statements
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Having a child restraint violation is 3 points off your license
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In industry: most scientific discoveries are made useful products are made scientific principles are invented
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Useful products are made

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3 years ago
To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians
yKpoI14uk [10]

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

  • Sample size = 50
  • Mean = 4.6
  • Standard deviation = 2.9

<u>Americans</u>

  • Sample size = 60
  • Mean = 5.2
  • Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

SE = \frac{\sigma}{\sqrt n}

The standard error of the Canadian sample is:

SE_1 = \frac{2.9}{\sqrt{50}}

So, we have:

SE_1 = 0.41

The standard error of the American sample is:

SE_2 = \frac{1.3}{\sqrt{60}}

So, we have:

SE_2 = 0.17

The standard error of the difference of sample means is then calculated as:

SE= \sqrt{SE_1^2 + SE_2^2}

This gives

SE= \sqrt{0.41^2 + 0.17^2}

SE= \sqrt{0.197}

Take square roots

SE= 0.444

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

brainly.com/question/6851971

5 0
2 years ago
What does the frame rate of a virtual reality headset indicate brainly.
Anni [7]

The frame rate of a virtual reality (VR) headset indicates: the number of images displayed per second.

<h3>What is Virtual Reality (VR) headset?</h3>

A virtual reality (VR) headset refers to a head-mounted device which consist of two LCD displays (one per eye) that provides the wearer with a view of virtual physical environments (realities) and human-machine interactions through the use of various computer technologies.

<h3>What is frame rate?</h3>

Frame rate can be defined as a a measurement of the speed at which successive images are displayed per unit of time (second).

In this context, the frame rate of a virtual reality (VR) headset indicates the number of images that are displayed per second such as <u>24 fps</u>.

Read more on Virtual Reality here: brainly.com/question/26479902

5 0
2 years ago
who was a painter, sculptor, architect, engineer, scientist, philosopher, and a visionary? this person was commissioned by the d
gayaneshka [121]

Answer:

Leonardo da Vinci

Explanation:

he created monalisa

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2 years ago
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